Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a rodada mais alta para o UFC 109?
 ###Tabelas: CREATE TABLE museums_with_paleontology_holdings (museums_with_paleontology_holdings_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Town/City VARCHAR, Region VARCHAR, On Dinosaur Trail? VARCHAR, Education programs/ Guided tours? VARCHAR, Associated Field Digs? VARCHAR) CREATE TABLE final_standing (final_standing_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Games Played INT, Wins INT, Losses VARCHAR, Ties INT, Goals For INT, Goals Against INT) CREATE TABLE highest_percentage_of_pole_positions_in_a_season (highest_percentage_of_pole_positions_in_a_season_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Season INT, Races INT, Poles INT, Percentage VARCHAR) CREATE TABLE votes_by_state (votes_by_state_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, Electors INT, Bush INT, Kerry INT, Nader INT, Badnarik INT, Peroutka INT, Cobb INT, Others INT, Margin VARCHAR, Total INT) CREATE TABLE mixed_martial_arts_record (mixed_martial_arts_record_id AUTO_INCREMENT PRIMARY KEY, Res. VARCHAR, Record VARCHAR, Opponent VARCHAR, Method VARCHAR, Event VARCHAR, Round INT, Location VARCHAR)  
SELECT MAX Round FROM mixed_martial_arts_record WHERE Event = ufc 109